SymbolObfus Debug模式时所有命名前加$。只要不重名，不再追加index后缀

Editor/ObfusPasses/SymbolObfus/DebugNameMaker.cs

@@ -8,9 +8,16 @@ namespace Obfuz.ObfusPasses.SymbolObfus
         private class TestNameScope : NameScopeBase
         {
             private int _nextIndex;
-            protected override void BuildNewName(StringBuilder nameBuilder, string originalName)
+            protected override void BuildNewName(StringBuilder nameBuilder, string originalName, string lastName)
             {
-                nameBuilder.Append($"<{originalName}>{_nextIndex++}");
+                if (string.IsNullOrEmpty(lastName))
+                {
+                    nameBuilder.Append($"${originalName}");
+                }
+                else
+                {
+                    nameBuilder.Append($"${originalName}{_nextIndex++}");
+                }
             }
         }
 
@@ -18,10 +25,5 @@ namespace Obfuz.ObfusPasses.SymbolObfus
         {
             return new TestNameScope();
         }
-
-        public override string GetNewName(ParamDef param, string originalName)
-        {
-            return $"${originalName}";
-        }
     }
 }

Editor/ObfusPasses/SymbolObfus/NameScope.cs

@@ -16,7 +16,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus
             _nextIndex = 0;
         }
 
-        protected override void BuildNewName(StringBuilder nameBuilder, string originalName)
+        protected override void BuildNewName(StringBuilder nameBuilder, string originalName, string lastName)
         {
             for (int i = _nextIndex++; ;)
             {

Editor/ObfusPasses/SymbolObfus/NameScopeBase.cs

@@ -20,16 +20,18 @@ namespace Obfuz.ObfusPasses.SymbolObfus
         }
 
 
-        protected abstract void BuildNewName(StringBuilder nameBuilder, string originalName);
+        protected abstract void BuildNewName(StringBuilder nameBuilder, string originalName, string lastName);
 
         private string CreateNewName(string originalName)
         {
             var nameBuilder = new StringBuilder();
+            string lastName = null;
             while (true)
             {
                 nameBuilder.Clear();
-                BuildNewName(nameBuilder, originalName);
+                BuildNewName(nameBuilder, originalName, lastName);
                 string newName = nameBuilder.ToString();
+                lastName = newName;
                 if (_preservedNames.Add(newName))
                 {
                     return newName;